Beyond the three there was a long hall and then a door opening onto a steel catwalk.

They signed and the guard signalled to his mate on the steel catwalk high above the smelt room floor.

A steel catwalk two feet (60 cm) wide runs the full length of the bridge underneath the roadway.

A light clicked on, and now he saw a whole inner structure of steel catwalks and stairways.

Sudden footsteps on the steel catwalk helped him locate the man in space, however, and he squeezed off three more shots.

Stoffel climbed the steel catwalk like a monkey and they looked down on the roller mill tables.

They went in single file along the steel catwalk with the child leading.

I heard footsteps thrumming along the steel catwalk and down the stairs.

They paused on a steel catwalk overlooking the catch pens.

A steel catwalk ran around the top of the pillar, several lengths above their heads.